v3.26.1
Property, Plant and Equipment, Net (Details)
12 Months Ended
Dec. 31, 2025
CNY (¥)
Dec. 31, 2024
CNY (¥)
Dec. 31, 2023
CNY (¥)
Dec. 31, 2025
USD ($)
Property, Plant and Equipment, Net [Line Items]        
Depreciation expenses ¥ 9,975,895 ¥ 8,669,931 ¥ 3,436,716  
Property, plant and equipment with net book value 182,630,671 197,341,915   $ 25,983,194
Collateral Pledged [Member]        
Property, Plant and Equipment, Net [Line Items]        
Property, plant and equipment with net book value ¥ 176,739,153 ¥ 188,432,414